Simulation of Residual Stress in Ultrasonic Vibration Assisted Micro-Milling
| Periodical | Advanced Materials Research (Volume 188) |
|---|---|
| Main Theme | High Speed Machining |
| Edited by | Chengyong Wang, Ning He, Ming Chen and Chuanzhen Huang |
| Pages | 381-384 |
| DOI | 10.4028/www.scientific.net/AMR.188.381 |
| Citation | Hai Jun Hu et al., 2011, Advanced Materials Research, 188, 381 |
| Online since | March, 2011 |
| Authors | Hai Jun Hu, Ya Zhou Sun, Z.S. Lu |
| Keywords | Micro-Milling, Residual Stress, Spindle Speed, Ultrasonic Vibration, Vibration Frequency, Work-Piece Material |
| Price | US$ 28,- |
The machining-induced residual stresses are strongly dependent on the work-piece material and the chosen process parameters. A 2D finite element (FE) model of ultrasonic vibration assisted micro-milling (UVAMM) is established using ABAQUS. Johnson-Cook’s work-piece material and shear failure principle are used, while friction between tool and work-piece uses modified Coulomb’s law whose sliding friction area is combined with sticking friction. By means of FE analysis, the influence rules of spindle speed, vibration frequency and work-piece material on the surface residual stresses are obtained, which provides a basis for choosing optimal process parameters and improving the longevity and reliability of micro-component.